12445940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47869}}^1$

素因数の和:47891

約数の個数: 24

約数和(自身を含む): 28147560

約数和(自身を除く): 15701620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 47869, 95738, 191476, 239345, 478690, 622297, 957380, 1244594, 2489188, 3111485, 6222970, 12445940]

約数ペア:

[(1, 12445940), (2, 6222970), (4, 3111485), (5, 2489188), (10, 1244594), (13, 957380), (20, 622297), (26, 478690), (52, 239345), (65, 191476), (130, 95738), (260, 47869)]